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Internal mixture of sea salt, silicates and excess sulfate in marine aerosols
Andreae, M.O.; Charlson, R.J.; Bruynseels, F.; Storms, H.; Van Grieken, R.; Maenhaut, W. (1986). Internal mixture of sea salt, silicates and excess sulfate in marine aerosols. Science (Wash.) 232(4758): 1620-1623. https://dx.doi.org/10.1126/science.232.4758.1620
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075; e-ISSN 1095-9203, more
Related to:
Andreae, M.O.; Charlson, R.J.; Bruynseels, F.; Storms, H.; Van Grieken, R.; Maenhaut, W. (2003). Internal mixture of sea salt, silicates and excess sulfate in marine aerosols, in: Van Grieken, R. Application for the 2003 VLIZ-HYDRO Award Dr. Edouard Delcroix. Quality of the marine air: an overview of 30 years of research. pp. 1-4, more
Peer reviewed article  
Available in  Authors 
Keywords
    Chemical compounds > Sulphur compounds > Sulphates
    Colloids > Aerosols
    Mixing processes
    Particulates > Atmospheric particulates > Salt particles
    Population characteristics > Population structure > Size distribution
    Marine/Coastal
Authors  Top 
  • Andreae, M.O.
  • Charlson, R.J.
  • Bruynseels, F.
  • Storms, H.
  • Van Grieken, R., more
  • Maenhaut, W., more
Abstract
    Individual aerosol particles from the remote marine atmosphere were investigated by scanning electron microscopy and electron microprobe analysis. A large fraction of the silicate mineral component of the aerosol was found to be internally mixed with sea-salt aerosol particles. This observation explains the unexpected similarity in the size distributions of silicates and sea salt that has been observed in remote marine aerosols. Reentrainment of dust particles previously deposited onto the sea surface and collision between aerosol particles can be excluded as possible source mechanisms for these internally mixed aerosols. The internal mixing could be produced by processes within clouds, including droplet coalescence. Cloud processes may also be responsible for the observed enrichment of excess (nonsea-salt) sulfate on sea-salt particles.
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